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README

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SN74AHCU04N

Texas Instruments · Inverters · PDIP-14

SN74AHCU04N from Texas Instruments, in a PDIP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1A input Inverter 1 input; unused inputs must be held at VCC or GND, and VIH is 1.7 V min at VCC = 2 V.
2 1Y output Inverter 1 unbuffered output (Y = A inverted), rated for IOH/IOL of ±8 mA at VCC = 5 V ± 0.5 V.
3 2A input Inverter 2 input; unused inputs must be held at VCC or GND, and VIH is 1.7 V min at VCC = 2 V.
4 2Y output Inverter 2 unbuffered output (Y = A inverted), rated for IOH/IOL of ±8 mA at VCC = 5 V ± 0.5 V.
5 3A input Inverter 3 input; unused inputs must be held at VCC or GND, and VIH is 1.7 V min at VCC = 2 V.
6 3Y output Inverter 3 unbuffered output (Y = A inverted), rated for IOH/IOL of ±8 mA at VCC = 5 V ± 0.5 V.
7 GND power_in Ground; continuous current through VCC or GND is limited to ±50 mA.
8 4Y output Inverter 4 unbuffered output (Y = A inverted), rated for IOH/IOL of ±8 mA at VCC = 5 V ± 0.5 V.
9 4A input Inverter 4 input; unused inputs must be held at VCC or GND, and VIH is 1.7 V min at VCC = 2 V.
10 5Y output Inverter 5 unbuffered output (Y = A inverted), rated for IOH/IOL of ±8 mA at VCC = 5 V ± 0.5 V.
11 5A input Inverter 5 input; unused inputs must be held at VCC or GND, and VIH is 1.7 V min at VCC = 2 V.
12 6Y output Inverter 6 unbuffered output (Y = A inverted), rated for IOH/IOL of ±8 mA at VCC = 5 V ± 0.5 V.
13 6A input Inverter 6 input; unused inputs must be held at VCC or GND, and VIH is 1.7 V min at VCC = 2 V.
14 VCC power_in Supply voltage, recommended operating range 2 V to 5.5 V (absolute maximum 7 V).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package PDIP-14
Category Logic ICs
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC 2 5.5 V 3
High-level input voltage VIH 1.7 V VCC = 2 V 3
High-level input voltage VIH 2.4 V VCC = 3 V 3
High-level input voltage VIH 4.4 V VCC = 5.5 V 3
Low-level input voltage VIL 0.3 V VCC = 2 V 3
Low-level input voltage VIL 0.6 V VCC = 3 V 3
Low-level input voltage VIL 1.1 V VCC = 5.5 V 3
Input voltage VI 0 5.5 V 3
Output voltage VO 0 V max = VCC 3
High-level output current IOH -50 µA VCC = 2 V 3
High-level output current IOH -4 mA VCC = 3.3 V ± 0.3 V 3
High-level output current IOH -8 mA VCC = 5 V ± 0.5 V 3
Low-level output current IOL 50 µA VCC = 2 V 3
Low-level output current IOL 4 mA VCC = 3.3 V ± 0.3 V 3
Low-level output current IOL 8 mA VCC = 5 V ± 0.5 V 3
Operating free-air temperature TA -40 85 °C 3
High-level output voltage VOH 1.8 V IOH = -50 µA, VCC = 2 V 3
High-level output voltage VOH 2.7 V IOH = -50 µA, VCC = 3 V 3
High-level output voltage VOH 4 V IOH = -50 µA, VCC = 4.5 V 3
High-level output voltage VOH 2.48 V IOH = -4 mA, VCC = 3 V 3
High-level output voltage VOH 3.8 V IOH = -8 mA, VCC = 4.5 V 3
Low-level output voltage VOL 0.2 V IOL = 50 µA, VCC = 2 V 3
Low-level output voltage VOL 0.3 V IOL = 50 µA, VCC = 3 V 3
Low-level output voltage VOL 0.5 V IOL = 50 µA, VCC = 4.5 V 3
Low-level output voltage VOL 0.44 V IOL = 4 mA, VCC = 3 V 3
Input current II -1 1 µA VI = 5.5 V or GND, VCC = 0 V to 5.5 V 3
Supply current ICC 20 µA VI = VCC or GND, IO = 0, VCC = 5.5 V 3
Input capacitance Ci 2 10 pF VI = VCC or GND, VCC = 5 V 3
Propagation delay A to Y tPLH/tPHL 1 8.5 ns VCC = 3.3 V ± 0.3 V, CL = 15 pF 4
Propagation delay A to Y tPLH/tPHL 1 12 ns VCC = 3.3 V ± 0.3 V, CL = 50 pF 4
Propagation delay A to Y tPLH/tPHL 1 6.5 ns VCC = 5 V ± 0.5 V, CL = 15 pF 4
Propagation delay A to Y tPLH/tPHL 1 8 ns VCC = 5 V ± 0.5 V, CL = 50 pF 4
Supply voltage range VCC -0.5 7 V 2
Input voltage range VI -0.5 7 V see Note 1 2
Output voltage range VO -0.5 V max = VCC + 0.5 V; see Note 1 2
Input clamp current IIK -20 mA VI < 0 2
Output clamp current IOK -20 20 mA VO < 0 or VO > VCC 2
Continuous output current IO -25 25 mA VO = 0 to VCC 2
Continuous current through VCC or GND -50 50 mA 2
Storage temperature range Tstg -65 150 °C 2
Package thermal impedance θJA 80 °C/W N package, see Note 2 2
Power dissipation capacitance Cpd 7.3 pF No load, f = 1 MHz, VCC = 5 V, TA = 25°C 4

CAD (KiCad official)

  • Symbol: SN74AHCU04N
  • Footprint: Package_DIP:DIP-14_W7.62mm
  • 3D model: PDIP-14 (KiCad packages3D, STEP)
  • 3D model files: sn74ahcu04n-etched.step / sn74ahcu04n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahcu04n.step / sn74ahcu04n.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (19 pp, sha256 38425157877bb415, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF